| unamiable(adjective, hard, tough, severe, cold) |
| uncompassionate(adjective, hard, tough, severe, cold) |
| uncordial(adjective, hard, tough, severe, cold) |
| unemotional(adjective, hard, tough, severe, cold) |
| unkindly(adjective, bad, cold, aloof, no feelings) |
| unresponsive(adjective, bad, cold, aloof, no feelings) |
| coldblooded(adjective, unfeeling, senseless, numb, hard-hearted) |
| coldhearted(adjective, severe, unfeeling, numb, hard-hearted) |
| cool cat(expression, adjective, unfeeling, hard-hearted, nowhere) |
| courageous |
| gallant |
| hard as nails(expression, adjective, idiom, unfeeling, hard-hearted) |
| hardboiled(adjective, unfeeling, hard-hearted, nowhere, obdurate) |
| hardhearted(adjective, cruel, unsympathetic, pitiless, heartless) |
| intrepid |
| laid back(expression, adjective, unfeeling, hard-hearted, nowhere) |
| manful |
| manly |
| matter of fact(expression, adjective, idiom, unfeeling, hard-hearted) |
| mettlesome |